CA2324308A1 - Method for reprocessing waste acid resulting from tio2 production - Google Patents

Method for reprocessing waste acid resulting from tio2 production Download PDF

Info

Publication number: CA2324308A1
Authority: CA; Canada
Prior art keywords: stage; process according; iron; gypsum; alkaline
Prior art date: 1998-03-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA002324308A

Other languages

English (en)

French (fr)

Inventor

Gerhard Auer

Gunter Lailach

Ulrich Meisen

Werner Schuy

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Bayer AG

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1998-03-20

Filing date

1999-03-17

Publication date

1999-09-30

1999-03-17 Application filed by Individual filed Critical Individual

1999-09-30 Publication of CA2324308A1 publication Critical patent/CA2324308A1/en

Status Abandoned legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/63—Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Compounds Of Iron (AREA)
Pigments, Carbon Blacks, Or Wood Stains (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Manufacture And Refinement Of Metals (AREA)

CA002324308A 1998-03-20 1999-03-17 Method for reprocessing waste acid resulting from tio2 production Abandoned CA2324308A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19812261.6		1998-03-20
DE19812261A DE19812261A1 (de)	1998-03-20	1998-03-20	Verfahren zur Aufarbeitung von Dünnsäure aus der TiO¶2¶-Herstellung
PCT/EP1999/001735 WO1999048808A1 (de)	1998-03-20	1999-03-17	VERFAHREN ZUR AUFARBEITUNG VON DÜNNSÄURE AUS DER TiO2-HERSTELLUNG

Publications (1)

Publication Number	Publication Date
CA2324308A1 true CA2324308A1 (en)	1999-09-30

Family

ID=7861668

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002324308A Abandoned CA2324308A1 (en)	1998-03-20	1999-03-17	Method for reprocessing waste acid resulting from tio2 production

Country Status (11)

Country	Link
US (1)	US6440377B1 (de)
EP (1)	EP1064223B1 (de)
JP (1)	JP2002507632A (de)
AU (1)	AU2933599A (de)
BR (1)	BR9908920A (de)
CA (1)	CA2324308A1 (de)
DE (2)	DE19812261A1 (de)
ES (1)	ES2179627T3 (de)
NO (1)	NO323628B1 (de)
WO (1)	WO1999048808A1 (de)
ZA (1)	ZA200004672B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014084129A1 (ja) *	2012-11-28	2014-06-05	住友金属鉱山株式会社	中和処理方法及び中和剤
CN104086027A (zh) *	2014-07-15	2014-10-08	铜陵化学工业集团有限公司	一种硫酸法钛白废水处理方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10232069A1 (de) *	2002-07-16	2004-02-05	Sachtleben Chemie Gmbh	Verfahren zur Herstellung von Eisenhydroxid, Eisenoxidhydrat oder Eisenoxid aus Filtersalzen der Dünnsäurerückgewinnung
DE20321107U1 (de) †	2003-07-17	2005-12-15	Kerr-Mcgee Pigments Gmbh	Zubereitung zur Reduktion des löslichen Chromatgehaltes in Zement
WO2005068358A1 (en) *	2003-12-18	2005-07-28	Millennium Chemicals	Production of 'useful material(s)' from waste acid issued from the production of titanium dioxyde
US7704470B2 (en) *	2007-04-24	2010-04-27	Haydock Consulting Services, Lc	Removal of contaminants from by-product acids
CN102115210B (zh) *	2010-12-31	2012-10-17	谢善情	用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法
CN103572058B (zh) *	2012-07-31	2016-01-20	有研稀土新材料股份有限公司	一种从硫酸法钛白废液中富集稀土稀有元素和制备白石膏的方法
US9840896B2 (en)	2012-09-21	2017-12-12	Thru Tubing Solutions, Inc.	Acid soluble abrasive material and method of use
JP5704280B2 (ja) *	2014-11-17	2015-04-22	住友金属鉱山株式会社	中和処理方法及び中和剤
JP6638345B2 (ja) *	2015-03-17	2020-01-29	住友大阪セメント株式会社	石膏の製造方法およびセメント組成物の製造方法
CN111485102A (zh) *	2020-04-26	2020-08-04	张响	一种全资源化利用钛白废酸的工艺
CN113493215B (zh) *	2021-07-21	2022-11-15	吉林大学	一种活性氢氧化镁的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3375066A (en) *	1963-08-24	1968-03-26	Yawata Chem Ind Co Ltd	Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound
GB1421773A (en)	1972-10-20	1976-01-21	Laporte Industries Ltd	Production of iron oxide
CA1053876A (en)	1973-12-14	1979-05-08	Arthur A. Bellinger	Method and means of growing coarse gypsum and magnetite
JPS5110198A (de) *	1974-07-15	1976-01-27	Toda Kogyo Corp
US4137293A (en) *	1977-12-16	1979-01-30	Ishihara Sangyo Kaisha, Ltd.	Producing gypsum and magnetite from ferrous sulfate and separating
US4137292A (en)	1978-03-02	1979-01-30	Uop Inc.	Purification of titanium trichloride
DE3327769A1 (de)	1983-08-02	1985-02-14	Bayer Ag, 5090 Leverkusen	Verfahren zur aufarbeitung von duennsaeuren
GB9213998D0 (en)	1992-07-01	1992-08-12	Tioxide Group Services Ltd	Process for preparing calcium sulphate
DE59409261D1 (de) *	1993-08-12	2000-05-11	Kerr Mcgee Pigments Gmbh & Co	Verfahren zur Aufarbeitung von Dünnsäure

1998
- 1998-03-20 DE DE19812261A patent/DE19812261A1/de not_active Withdrawn
1999
- 1999-03-17 BR BR9908920-3A patent/BR9908920A/pt not_active IP Right Cessation
- 1999-03-17 ES ES99910350T patent/ES2179627T3/es not_active Expired - Lifetime
- 1999-03-17 CA CA002324308A patent/CA2324308A1/en not_active Abandoned
- 1999-03-17 DE DE59901851T patent/DE59901851D1/de not_active Expired - Fee Related
- 1999-03-17 WO PCT/EP1999/001735 patent/WO1999048808A1/de active IP Right Grant
- 1999-03-17 AU AU29335/99A patent/AU2933599A/en not_active Abandoned
- 1999-03-17 US US09/646,340 patent/US6440377B1/en not_active Expired - Fee Related
- 1999-03-17 EP EP99910350A patent/EP1064223B1/de not_active Expired - Lifetime
- 1999-03-17 JP JP2000537798A patent/JP2002507632A/ja not_active Withdrawn
2000
- 2000-09-06 ZA ZA200004672A patent/ZA200004672B/xx unknown
- 2000-09-19 NO NO20004682A patent/NO323628B1/no unknown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014084129A1 (ja) *	2012-11-28	2014-06-05	住友金属鉱山株式会社	中和処理方法及び中和剤
CN104086027A (zh) *	2014-07-15	2014-10-08	铜陵化学工业集团有限公司	一种硫酸法钛白废水处理方法
CN104086027B (zh) *	2014-07-15	2015-06-10	铜陵化学工业集团有限公司	一种硫酸法钛白废水处理方法

Also Published As

Publication number	Publication date
JP2002507632A (ja)	2002-03-12
BR9908920A (pt)	2000-11-21
DE59901851D1 (de)	2002-08-01
NO20004682D0 (no)	2000-09-19
EP1064223A1 (de)	2001-01-03
WO1999048808A1 (de)	1999-09-30
ZA200004672B (en)	2002-02-27
DE19812261A1 (de)	1999-09-23
US6440377B1 (en)	2002-08-27
ES2179627T3 (es)	2003-01-16
NO323628B1 (no)	2007-06-18
NO20004682L (no)	2000-10-04
AU2933599A (en)	1999-10-18
EP1064223B1 (de)	2002-06-26

Publication	Publication Date	Title
US6530987B1 (en)	2003-03-11	Method for producing iron oxide pigments from waste acid resulting from TiO2 production
AU751726B2 (en)	2002-08-29	Iron oxide red pigments, process for the production of iron oxide red pigments and use thereof
US6440377B1 (en)	2002-08-27	Method for reprocessing waste acid resulting from TiO2 production
AU735618B2 (en)	2001-07-12	Iron oxide yellow pigments, a method of producing iron oxide yellow pigments and the use thereof
US6416723B1 (en)	2002-07-09	Method for reprocessing waste acid to form gypsum and iron oxide
US8206681B2 (en)	2012-06-26	Process for producing red iron oxide
US5164005A (en)	1992-11-17	Black manganese/iron oxide pigment a process for its production and its use
US4261966A (en)	1981-04-14	Process for the preparation of pigment grade iron oxides from ferrous sulphate and the resulting Fe2 O3 pigments
US4900533A (en)	1990-02-13	Alkaline earth metal carbonates
AU645695B2 (en)	1994-01-20	A temperature-resistant black pigment, a process for its production and its use
AU626948B2 (en)	1992-08-13	Black pigment, process for its preparation and its use
MXPA01002340A (es)	2002-08-06	Procedimiento para la preparacion de oxido de hierro y su uso.
US4702776A (en)	1987-10-27	Preparation of pigmentary red iron oxides
US5665157A (en)	1997-09-09	Clean color shade, yellow-tinged red iron oxide pigments, and a process for their manufacture, and their use
US7387671B2 (en)	2008-06-17	Iron oxide pigments
de Almeida Silva et al.	2011	Production of Iron pigments (Goethite and Haematite) from acid mine drainage
MXPA98008601A (en)	1999-09-01	Red pigments of iron oxide, process for the production of red pigments of iron oxide and use of mis
MXPA98008602A (en)	1999-09-01	Yellow pigments of iron oxide, a metodode production of yellow pigments of oxide dehierro and use of mis

Legal Events

Date	Code	Title	Description
2003-12-19	EEER	Examination request
2009-03-17	FZDE	Discontinued